/*
 * Copyright 2002-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Spring.Web.Support;

/// <summary>
/// An extension of <see cref="IWebNavigator"/> that must be implemented by 
/// navigators that can be part of a hierarchy.
/// </summary>
/// <author>Erich Eichinger</author>
public interface IHierarchicalWebNavigator : IWebNavigator
{
    /// <summary>
    /// If any, get the parent navigator of the current navigator instance. May be null.
    /// </summary>
    IWebNavigator ParentNavigator { get; }
}